CN105547504A - Vacuum furnace thermocouple installation leakage-prevention device - Google Patents
Vacuum furnace thermocouple installation leakage-prevention device Download PDFInfo
- Publication number
- CN105547504A CN105547504A CN201510913308.XA CN201510913308A CN105547504A CN 105547504 A CN105547504 A CN 105547504A CN 201510913308 A CN201510913308 A CN 201510913308A CN 105547504 A CN105547504 A CN 105547504A
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- China
- Prior art keywords
- mount pad
- installation
- vacuum drying
- drying oven
- sealing gasket
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a vacuum furnace thermocouple installation leakage-prevention device. The device comprises an installation seat (2), a sealing gasket (3) and an outer sleeve nut (6). The device is characterized in that the front part of the installation seat (2) is fixedly connected with a pipe body (1); the sealing gasket (3) and the pressing sleeve (4) are sequentially mounted in the inner cavity of the installation seat (2); the sealing gasket (3) and the pressing sleeve (4) are positioned through end surfaces; a locking pin (5) is installed between the pressing sleeve (4) and the installation seat (2); the outer sleeve nut (6) is detachably installed on the exterior of the installation seat (2); the outer sleeve nut (6) is pressed on the outer end surface of the pressing sleeve (4) in a matched manner; and the locking pin (5) is installed in a pin hole (7) formed in the installation seat (2). The device of the invention has the advantages of simple structure, convenient assembly and disassembly, reliable sealing and low cost, and is suitable for being popularized in vacuum furnace thermocouple leakage-prevention installation.
Description
Technical field
The invention belongs to technical field of thermocouple installation, relate in particular to a kind of vacuum drying oven the installation of TC device for preventing leakage.
Background technology
Vacuum heat treatment furnace is a kind of heat treatment heating furnace of heat-treating under workpiece being placed in vacuum environment, vacuum heat can make workpiece surface quality after heat treatment and mechanical property be improved accordingly, be one of advanced Technology for Heating Processing of current machinery manufacturing industry employing, be especially widely used in aerospace industry field.
One of vacuum drying oven key technical index will guarantee that burner hearth slip (or claiming Pressure Rise Rate) is no more than certain index exactly, as: the vacuum drying oven slip of process titanium alloy, soldering etc. is no more than 0.67Pa/ hour, and the vacuum drying oven slip of process steelwork is no more than 1.33Pa/ hour.The sealing of vacuum drying oven burner hearth is unreliable, if leak in heat treatment of workpieces process, the lighter causes the oxidized corrosion of workpiece, and severe one can cause burner hearth to burn.
The Control for Kiln Temperature of vacuum drying oven heating adopts thermopair to monitor fire box temperature, thermopair is connected with outside temperature indicator, registering instrument, controller through hearth wall, the installation of thermopair and furnace wall perforation place must be guaranteed to seal, and its impermeability need stand n-anti-differential pressure of atmospheric pressure and impact.The mounting means of existing thermopair is of all kinds, and its subject matter shows: easily lost efficacy at burner hearth n-negative pressure alternating action lower seal; The installation of TC and dismounting inconvenience, and easily damage thermo wires during installation and removal; Carry out sealing with cementing agents such as resins and thermopair dismounting rear resin difficulty removal thermopair can not be used etc. again.The thermopair thermo wires of the precious metal such as platinum, rhodium manufacture uses once just to be scrapped, and cost is more expensive.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming and a kind of structure of providing is simple, easy accessibility, sealing are reliable, with low cost vacuum drying oven the installation of TC device for preventing leakage.
The object of the invention and solve its technical problem underlying and realize by the following technical solutions:
Vacuum drying oven the installation of TC device for preventing leakage of the present invention, comprise mount pad, sealing gasket, cap nut, wherein: mount pad front portion is fixedly connected with body, sealing gasket, gland are contained in the inner chamber of mount pad successively, sealing gasket is located by end face mutually with gland, between gland and mount pad, stop pin is housed, cap nut is releasably contained in mount pad outside, and cap nut is pressed together on the outer face of gland.
Above-mentioned vacuum drying oven the installation of TC device for preventing leakage, wherein: body and mount pad weld together.
Above-mentioned vacuum drying oven the installation of TC device for preventing leakage, wherein: body is stainless steel sleeve pipe.
Above-mentioned vacuum drying oven the installation of TC device for preventing leakage, wherein: sealing gasket is made up of dimethylvinyl siloxane.
Above-mentioned vacuum drying oven the installation of TC device for preventing leakage, wherein: stop pin is arranged in pin-and-hole that mount pad is arranged.
Above-mentioned vacuum drying oven the installation of TC device for preventing leakage, wherein: cap nut is connected by screw thread with mount pad.
The present invention compared with the existing technology has obvious advantage and beneficial effect.From above technical scheme, in vacuum drying oven the installation of TC device for preventing leakage of the present invention, mount pad front portion is welded with body, is mainly used in placing thermopair and being fixed on the position of body of heater being placed thermopair, and fixed form can pass through clip, screw thread or alternate manner; Sealing gasket is contained in the inner chamber of mount pad, seals; Gland is contained in the inner chamber of mount pad, and sealing gasket is located by end face mutually with gland, and gland plays crush seal pad and deforms; Between gland and mount pad, stop pin is housed, stops gland and sealing gasket to rotate and tension-torsion damage thermo wires with cap nut; Cap nut is releasably contained in mount pad outside, and cap nut is pressed together on the outer face of gland, and its effect promotes gland to move sealing gasket is out of shape, and lay socket or plug; Sealing gasket is made up of dimethylvinyl siloxane, and this elastomeric material elastic performance is good, high temperature resistant, stable in properties.In a word, structure of the present invention is simple, easy accessibility, sealing are reliable, with low cost, is applicable to promoting the use of of vacuum drying oven the installation of TC anti-leak.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is another structural representation of the present invention;
Fig. 3 is the structural representation of mount pad;
Fig. 4 is the structural representation of sealing gasket;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is a kind of using state figure of the present invention;
Fig. 7 is another kind of using state figure of the present invention.
Identify in figure:
1, body; 2, mount pad; 3, sealing gasket; 4, gland; 5, stop pin; 6, cap nut; 7, pin-and-hole; 8, thermopair; 9, O-ring seal A; 10, body of heater; 11, clip; 12, O-ring seal B.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to the vacuum drying oven the installation of TC device for preventing leakage embodiment proposed according to the present invention, structure, feature and effect thereof, be described in detail as follows.
See Fig. 1 to Fig. 5, vacuum drying oven the installation of TC device for preventing leakage of the present invention, comprise mount pad 2, sealing gasket 3, cap nut 6, wherein: mount pad 2 front portion is fixedly connected with body 1, sealing gasket 3, gland 4 are contained in the inner chamber of mount pad 2 successively, and sealing gasket 3 is located by end face mutually with gland 4, and stop pin 5 is housed between gland 4 and mount pad 2, it is outside that cap nut 6 is releasably contained in mount pad 2, and cap nut 6 is pressed together on the outer face of gland 4.Body 1 and mount pad 2 weld together.Body 1 is stainless steel sleeve pipe.Sealing gasket 3 is made up of dimethylvinyl siloxane.Stop pin 5 is arranged in the pin-and-hole 7 of setting on mount pad 2.Cap nut 6 is connected by screw thread with mount pad 2.
During use, see Fig. 6 to Fig. 7, sealing gasket 3 is passed after the thermo wires of thermopair 8 being put on insulating ceramics pipe, again successively through mount pad 2 and body 1, then order puts into gland 4, stop pin 5, finally put cap nut 6, cap nut 6 promotes gland 4 crush seal pad 3 by screw thread precession and deforms, and sealing gasket 3 is inwardly wrapped the thermo wires surface of thermopair 8, is outwards adjacent to the inwall of mount pad 2.The present invention can adopt clip 11 or thread connecting mode to be installed on vacuum drying oven body of heater 10, can guarantee to install firmly, sealing is reliable, compact conformation, attractive in appearance.When adopting screw thread mounting means, see Fig. 6, mount pad 2 and vacuum drying oven body of heater 10 interface one end are set with O-ring seal A9, and mount pad 2 precession crush seal circle A9 distortion is adjacent to vacuum drying oven body of heater 10 interface; When adopting clip 11 mounting means, see Fig. 7, mount pad 2 and vacuum drying oven body of heater 10 interface put O-ring seal B12, and mount pad 2 tension makes O-ring seal B12 be out of shape and is adjacent to vacuum drying oven body of heater 10 interface by clip 11.Structure of the present invention is simple, easy accessibility, sealing are reliable, with low cost, is applicable to promoting the use of of vacuum drying oven the installation of TC anti-leak.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, anyly do not depart from technical solution of the present invention content, the any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a vacuum drying oven the installation of TC device for preventing leakage, comprise mount pad (2), sealing gasket (3), cap nut (6), it is characterized in that: mount pad (2) front portion is fixedly connected with body (1), sealing gasket (3), gland (4) are contained in the inner chamber of mount pad (2) successively, sealing gasket (3) is located by end face mutually with gland (4), stop pin (5) is housed between gland (4) and mount pad (2), it is outside that cap nut (6) is releasably contained in mount pad (2), and cap nut (6) is pressed together on the outer face of gland (4).
2. vacuum drying oven the installation of TC device for preventing leakage as claimed in claim 1, is characterized in that: body (1) and mount pad (2) weld together.
3. vacuum drying oven the installation of TC device for preventing leakage as claimed in claim 1, is characterized in that: body (1) is stainless steel sleeve pipe.
4. vacuum drying oven the installation of TC device for preventing leakage as claimed in claim 1, is characterized in that: sealing gasket (3) is made up of dimethylvinyl siloxane.
5. vacuum drying oven the installation of TC device for preventing leakage as claimed in claim 1, is characterized in that: stop pin (5) is arranged in the upper pin-and-hole (7) arranged of mount pad (2).
6. vacuum drying oven the installation of TC device for preventing leakage as claimed in claim 1, is characterized in that: cap nut (6) is connected by screw thread with mount pad (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510913308.XA CN105547504A (en) | 2015-12-11 | 2015-12-11 | Vacuum furnace thermocouple installation leakage-prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510913308.XA CN105547504A (en) | 2015-12-11 | 2015-12-11 | Vacuum furnace thermocouple installation leakage-prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105547504A true CN105547504A (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510913308.XA Pending CN105547504A (en) | 2015-12-11 | 2015-12-11 | Vacuum furnace thermocouple installation leakage-prevention device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105547504A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248235A (en) * | 2016-10-13 | 2016-12-21 | 西安航空制动科技有限公司 | Utilize the device of thermocouple measurement cylinder block oil liquid temperature |
| CN106352997A (en) * | 2016-10-13 | 2017-01-25 | 西安航空制动科技有限公司 | Device for measuring oil temperature of steam cylinder base |
| CN109540308A (en) * | 2018-11-07 | 2019-03-29 | 昌河飞机工业（集团）有限责任公司 | A kind of tooling for vacuum drying oven anti-leak formula technique thermocouple |
| CN111336814A (en) * | 2020-03-10 | 2020-06-26 | 株洲瑞德尔冶金设备制造有限公司 | Joint for low-temperature test of sintering furnace |
| CN113804320A (en) * | 2021-09-07 | 2021-12-17 | 西安交通大学 | Lead sealing device of high-temperature high-pressure exposed thermocouple |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1157271A (en) * | 1965-03-26 | 1969-07-02 | Reinhold Adolf Philip Wertheim | Temperature Measuring Apparatus |
| CN202090009U (en) * | 2011-05-05 | 2011-12-28 | 武汉钢铁(集团)公司 | Thermocouple for hot blast stove |
| CN203216248U (en) * | 2013-04-26 | 2013-09-25 | 湖南凯新陶瓷科技有限公司 | Thermocouple vacuum sealing device of microwave bell kiln |
| CN203519181U (en) * | 2013-09-12 | 2014-04-02 | 吉林恒联精密铸造科技有限公司 | Universal mounting pedestal used for thermocouple |
| CN104457305A (en) * | 2014-12-11 | 2015-03-25 | 中国航空工业标准件制造有限责任公司 | Thermocouple mounting seat for vacuum heat treatment furnace |
| CN205300788U (en) * | 2015-12-11 | 2016-06-08 | 中国航空工业标准件制造有限责任公司 | Device is prevented leaking in vacuum furnace thermocouple attachment |
-
2015
- 2015-12-11 CN CN201510913308.XA patent/CN105547504A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1157271A (en) * | 1965-03-26 | 1969-07-02 | Reinhold Adolf Philip Wertheim | Temperature Measuring Apparatus |
| CN202090009U (en) * | 2011-05-05 | 2011-12-28 | 武汉钢铁(集团)公司 | Thermocouple for hot blast stove |
| CN203216248U (en) * | 2013-04-26 | 2013-09-25 | 湖南凯新陶瓷科技有限公司 | Thermocouple vacuum sealing device of microwave bell kiln |
| CN203519181U (en) * | 2013-09-12 | 2014-04-02 | 吉林恒联精密铸造科技有限公司 | Universal mounting pedestal used for thermocouple |
| CN104457305A (en) * | 2014-12-11 | 2015-03-25 | 中国航空工业标准件制造有限责任公司 | Thermocouple mounting seat for vacuum heat treatment furnace |
| CN205300788U (en) * | 2015-12-11 | 2016-06-08 | 中国航空工业标准件制造有限责任公司 | Device is prevented leaking in vacuum furnace thermocouple attachment |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248235A (en) * | 2016-10-13 | 2016-12-21 | 西安航空制动科技有限公司 | Utilize the device of thermocouple measurement cylinder block oil liquid temperature |
| CN106352997A (en) * | 2016-10-13 | 2017-01-25 | 西安航空制动科技有限公司 | Device for measuring oil temperature of steam cylinder base |
| CN106248235B (en) * | 2016-10-13 | 2019-06-21 | 西安航空制动科技有限公司 | Utilize the device of thermocouple measurement cylinder block oil liquid temperature |
| CN106352997B (en) * | 2016-10-13 | 2019-06-21 | 西安航空制动科技有限公司 | A kind of device measuring cylinder seat oil liquid temperature |
| CN109540308A (en) * | 2018-11-07 | 2019-03-29 | 昌河飞机工业（集团）有限责任公司 | A kind of tooling for vacuum drying oven anti-leak formula technique thermocouple |
| CN111336814A (en) * | 2020-03-10 | 2020-06-26 | 株洲瑞德尔冶金设备制造有限公司 | Joint for low-temperature test of sintering furnace |
| CN113804320A (en) * | 2021-09-07 | 2021-12-17 | 西安交通大学 | Lead sealing device of high-temperature high-pressure exposed thermocouple |
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Application publication date: 20160504 |